KR101736146B1 - Eco-Friendly Protection Coating Composition and Constructing Methods Using Thereof - Google Patents
Eco-Friendly Protection Coating Composition and Constructing Methods Using Thereof Download PDFInfo
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Abstract
Description
본 발명은 친환경 보호 코팅제 조성물 및 이의 시공방법에 관한 것으로서, 보다 상세하게는 염해, 중성화방지 및 방수/방식기능을 갖는 친환경 보호 코팅제 조성물을 피 구조물의 표면에 보호 도포하기 위한 친환경 보호 코팅제 조성물 및 이를 이용한 시공방법에 관한 것이다.
More particularly, the present invention relates to an eco-friendly protective coating composition for protecting a surface of a structure to be protected with a protective coating composition for preventing corrosion, neutralization and waterproof / And a method of using the same.
일반적으로 화학 수지를 이용한 조성물에 있어서 코팅특성을 갖도록 하기 위해서는 내마모성과 원가절감을 목적으로 무기물을 충전하지만 그 사용량은 30%이내이며, 이러한 조성물은 다량의 유기용제를 함유하고 있어서 수지 내에 무기물이 침지된 상태를 벗어나면 작업성이 없을 뿐만 아니라, 코팅제로서 제기능을 발휘하지 못한다.Generally, in order to have a coating property in a composition using a chemical resin, an inorganic material is charged for the purpose of abrasion resistance and cost reduction, but its amount is used within 30%. Such a composition contains a large amount of organic solvent, It is not only not workable but also fails to exhibit its function as a coating agent.
특히, 콘크리트 구조물과 같은 표면이나 바탕면을 코팅하고자 할 때 그 표면이나 바탕면에 프라이머가 도포되지 아니한 상태에서는 시멘트와 같이 비중이 무거운 무기물이 저점도 코팅제에 적용될 경우 1회 도포되는 두께가 0.2mm 내외로 유기용제가 휘발되면서 경화되어 남는 고형분의 두께는 0.07mm정도의 얇은 박막층으로만 형성되게 된다. 그러므로 함침 범위를 벗어난 무기물은 결속력을 갖지 못하고 분리되어 형상을 유지할 수 없기 때문에 보호 보수 성능이 크게 저하되는 것이 심각한 문제로 지적되고 있다.In particular, when a surface such as a concrete structure is to be coated with a primer and a primer is not applied to the surface or base, when a heavy inorganic material such as cement is applied to a low viscosity coating material, The solid content remaining after curing by evaporation of the organic solvent is formed only by a thin film layer having a thickness of about 0.07 mm. Therefore, it is pointed out that it is a serious problem that the performance of the protection and maintenance is greatly deteriorated because the inorganic substance which is out of the impregnation range can not maintain the shape without holding the binding force.
지금까지 국내외에서는 전반적으로 이미 열화가 진행된 콘크리트 표면을 보수하는 재료들로서는 대부분 화학수지나 화합물을 이용한 조성물을 사용하는 경우가 많다. 국내에서 신기술로 개발된 보수제의 이용과 보수공법의 종류를 보면 스틸렌-부타디엔고무(SBR)나 라텍스를 무기물 혼용제와 혼합사용하여 도포하는 방법, 수화 응고형 분말도포제 및 코팅제를 이용한 콘크리트 보호마감 이중코팅처리 기술, 기능성 수지군의 복합과 세라믹 반응을 이용한 콘크리트 구조물의 중성화와 염해 및 화학침식 방지기술, 이소시아네이트 수지(MDI)를 이용한 콘크리트 보수 몰탈제의 제조방법 및 보수공법, 실리게이트 화합물을 이용한 표면보수공법 등이 있다. So far, most of the materials used for repairing concrete surfaces that have already undergone deterioration at home and abroad have used chemical resins or compounds. The use of repair agents and repair methods developed by the new technology in Korea is based on the application of styrene-butadiene rubber (SBR) or latex in combination with an inorganic mineral admixture, a concrete protection finish using a hydration coagulated powder coating agent and a coating agent Coating treatment technology, neutralization of concrete structure by using composite and ceramic reaction of functional resin group, prevention of salt corrosion and chemical erosion, manufacturing method and repair method of concrete repair mortar using isocyanate resin (MDI), surface using silicate compound And repair method.
그리고 최근 들어 에폭시 수용성 타입에 시멘트를 혼합하여 바탕조정제로 사용하고 우레탄 수지에 아크릴 수지를 교합시켜 중도 및 상도 코팅 공정으로 시공하는 공법이 알려져 있다.Recently, it has been known that an epoxy water-soluble type is mixed with cement to be used as a base adjusting agent, and an acrylic resin is mixed with an urethane resin to form an intermediate or top coating process.
그러나 이러한 콘크리트 표면 보호 보수를 위한 공법들은 나름대로 특성을 갖고 있으나, 시공절차가 복잡하고 진정한 보호 보수성능을 발휘하도록 한다기보다는 단순 임시처방에 그치는 보수공법에 한정되어 있으며, 도포된 표면의 수지나 화합물이 노출된 상태로 자외선이나 각종 위해가스, 산성비 등으로 인하여 노화가 급속히 진행되는 단점이 있다.However, the methods for repairing and repairing these concrete surfaces have their own characteristics, but they are limited to the repair method which is simple provisional treatment rather than making the construction procedure complicated and exhibiting true protection and repair performance. There is a disadvantage that the aging proceeds rapidly due to ultraviolet rays, various harmful gases, acid rain, etc. in the exposed state.
또한, 콘크리트 습윤 상태에서의 적응성, 콘크리트 구성물인 알칼리성과의 비결합성에 의한 접착력 저하 등을 해소할만한 뚜렷한 특성이 제안되어 있지 아니하여 개선의 여지가 많았다.In addition, there is no clear characteristic to overcome the adaptability in the wet state of concrete and the deterioration of adhesion due to the nonconformity with the alkaline concrete constituent, so there is much room for improvement.
특히, 열화된 콘크리트 표면을 다공체로 도포하였을 때에는 균일성이 확보되지 않는 문제점 등으로 인해 3회 이상 중첩도포를 필요로 하게 되고, 무엇보다도 표면 보호 보수제로서 기본적으로 요구되는 시공 후 콘크리트 본래 형상 회복이, 필요한 문제가 아직도 해소되지 않고 있다. 이러한 문제점들은 국내뿐만이 아니라 토목 건설산업개발이 활발히 이루어지고 있는 개발도상 국가들이나 선진국들 역시 제대로 해소하지 못하여 매우 고심하고 있는 문제점들이다.Particularly, when the surface of the deteriorated concrete is coated with a porous material, it is necessary to overcoat three or more times due to the problem that the uniformity can not be ensured, and the restoration of the original shape of concrete after the construction, , The necessary problems are still not solved. These problems are problems not only in Korea but also in developed countries and developed countries where civil engineering construction industry is actively developing.
이에, 전술한 문제점을 극복하기 위하여 대한민국특허등록 제10-1060140호에는 에폭시 수지, 반응성 희석제, 응결제, 유화제 및 물을 포함하는 에폭시 베이스 수지성분; 및 폴리옥시프로필렌디아민, 톨루엔, 타이타늄옥사이드, 가라마이트, 안료 및 물을 포함하는 경화성분으로 이루어진 친환경 표면 보호제가 개시되어 있다.
In order to overcome the above-mentioned problems, Korean Patent Registration No. 10-1060140 discloses an epoxy resin composition comprising an epoxy resin, a reactive diluent, a coagulant, an emulsifier and water; And a curing component comprising polyoxypropylene diamine, toluene, titanium oxide, kaolinite, pigment and water.
본 발명은 전술한 문제점을 극복하기 위해 창출된 것으로서, 도막을 형성하기 위한 대상표면에 물리/화학적으로 안정적인 도막을 형성하고, 염해, 중성화방지, 내크랙성, 내수성, 내오염성, 내마모성, 내부착성, 방수성, 내스크래취성, 내한성, 내식성, 내화학성 및/또는 내구성 등을 향상시킬 수 있도록 하는 친환경 보호 코팅제 조성물을 제공하고자 한다.
The present invention has been made in order to overcome the above-described problems, and it is an object of the present invention to provide a coating film which is physically / chemically stable on the surface of a target for forming a coating film and which is excellent in resistance to salt, neutralization, crack resistance, water resistance, To provide an environmentally friendly protective coating composition capable of improving water resistance, water resistance, scratch resistance, cold resistance, corrosion resistance, chemical resistance and / or durability.
본 발명은The present invention
아크릴 수지 100중량부 기준으로, 메톡시실란 15중량부; 수분산 폴리우레탄 분산제 15중량부; 하이드록시 에틸 셀룰로오스 10중량부; 메틸메타아크릴레이트 15중량부; 실리콘카바이드 6중량부; 술폰 에스테르 5중량부; 알키드 수지 6중량부; 2-디에틸아미노에틸아민 20중량부; 알루미노 실리케이트 3중량부; 크롬산 스트론튬 4중량부; 스타치에테르 2중량부; 메틸에틸케톤 80중량부; 탄산칼슘 20중량부; 테레프탈산 금속염 13중량부; 이소티아조린 유도체 2중량부; 파라핀 3중량부; 알루민산 칼슘 3중량부; 플루오린화나트륨 2중량부; 칼륨메틸실리코네이트 5중량부; 디메틸 암모늄 클로라이드 10중량부; 이소보닐아크릴레이트 10중량부; 플라스터 7중량부; 하소포졸라나 10중량부; 및 스티렌-부타디엔 수지 20중량부를 포함하는 친환경 보호 코팅제 조성물을 제공한다.
Based on 100 parts by weight of an acrylic resin, 15 parts by weight of methoxysilane; 15 parts by weight of a water-dispersed polyurethane dispersant; 10 parts by weight of hydroxyethylcellulose; 15 parts by weight of methyl methacrylate; 6 parts by weight of silicon carbide; 5 parts by weight of sulfone ester; 6 parts by weight of an alkyd resin; 20 parts by weight of 2-diethylaminoethylamine; 3 parts by weight of aluminosilicate; 4 parts by weight of strontium chromate; 2 parts by weight starch ether; 80 parts by weight of methyl ethyl ketone; 20 parts by weight of calcium carbonate; 13 parts by weight of terephthalic acid metal salt; 2 parts by weight of isothiazolin derivatives; 3 parts by weight of paraffin; 3 parts by weight of calcium aluminate; 2 parts by weight of sodium fluoride; 5 parts by weight of potassium methylsiliconate; 10 parts by weight of dimethyl ammonium chloride; 10 parts by weight of isobornyl acrylate; 7 parts by weight of plaster; 10 parts by weight of calcined pozzolan; And 20 parts by weight of a styrene-butadiene resin.
또한, 본 발명은 In addition,
콘크리트 구조물 표면의 요철과 레이탄스를 제거하는 단계;Removing the concavities and convexities of the surface of the concrete structure;
상기 콘크리트 구조물 표면의 이물질을 제거하기 위한 고압 세척단계;A high-pressure washing step for removing foreign matters on the surface of the concrete structure;
상기 콘크리트 구조물의 표면상에 퍼티재를 도포하는 바탕 처리단계;A pretreatment step of applying a putty material on the surface of the concrete structure;
상기 콘크리트 구조물의 표면상에, 아크릴 수지 100중량부 기준으로, 메톡시실란 15중량부, 수분산 폴리우레탄 분산제 15중량부, 하이드록시 에틸 셀룰로오스 10중량부, 메틸메타아크릴레이트 15중량부, 실리콘카바이드 6중량부, 술폰 에스테르 5중량부, 알키드 수지 6중량부, 2-디에틸아미노에틸아민 20중량부, 알루미노 실리케이트 3중량부, 크롬산 스트론튬 4중량부, 스타치에테르 2중량부, 메틸에틸케톤 80중량부, 탄산칼슘 20중량부, 테레프탈산 금속염 13중량부, 이소티아조린 유도체 2중량부, 파라핀 3중량부, 알루민산 칼슘 3중량부, 플루오린화나트륨 2중량부, 칼륨메틸실리코네이트 5중량부, 디메틸 암모늄 클로라이드 10중량부, 이소보닐아크릴레이트 10중량부, 플라스터 7중량부, 하소포졸라나 10중량부, 및 스티렌-부타디엔 수지 20중량부를 포함하는 친환경 보호 코팅제 조성물을 1차적으로 도포하여 하도층을 형성한 후 1차 양생하는 단계;On the surface of the concrete structure, 15 parts by weight of methoxysilane, 15 parts by weight of an aqueous dispersion polyurethane dispersant, 10 parts by weight of hydroxyethyl cellulose, 15 parts by weight of methyl methacrylate, 6 weight parts of sulfone ester, 6 weight parts of alkyd resin, 20 weight parts of 2-diethylaminoethylamine, 3 weight parts of aluminosilicate, 4 weight parts of strontium chromate, 2 weight parts of starch ether, 20 parts by weight of calcium carbonate, 13 parts by weight of terephthalic acid metal salt, 2 parts by weight of isothiazolin derivative, 3 parts by weight of paraffin, 3 parts by weight of calcium aluminate, 2 parts by weight of sodium fluoride, 5 parts by weight of potassium methylsiliconate , 10 parts by weight of dimethyl ammonium chloride, 10 parts by weight of isobornyl acrylate, 7 parts by weight of plaster, 10 parts by weight of calcined pozzolan, and 20 parts by weight of styrene-butadiene resin A step of firstly applying an environmental protective coating composition to form a primer layer and then curing the primer;
상기 하도층의 표면상에 상기 하도층과 동일 성분의 친환경 보호 코팅제 조성물을 2차적으로 도포하여 중도층을 형성한 후 2차 양생하는 단계; 및Applying an environmentally friendly protective coating composition having the same composition as the primer layer on the surface of the primer layer to form a primer layer and then curing the primer layer; And
상기 중도층의 표면상에 상기 중도층과 동일 성분의 친환경 보호 코팅제 조성물을 3차적으로 도포하여 상도층을 형성한 후 3차 양생하는 단계를 포함하는 친환경 보호 코팅제 조성물의 시공방법을 제공한다.
And applying a protective coating composition of the same composition as the middle layer to the surface of the intermediate layer to form an upper layer and then curing the third layer.
본 발명에 따른 친환경 보호 코팅제 조성물은 유해물질을 배출하지 않아 친환경적이면서도 도막을 형성하기 위한 대상표면에 물리적, 화학적으로 안정적인 도막을 형성하고, 염해, 중성화 방지, 방수성, 내부식성 등을 향상시킬 수 있도록 하는 효과가 있다.The environmentally friendly protective coating composition according to the present invention can form a coating film that is physically and chemically stable on the surface of a target to form a coating film while being environmentally friendly and does not emit harmful substances and can improve the corrosion resistance, .
이하, 본 발명을 구체적으로 설명한다.Hereinafter, the present invention will be described in detail.
한 가지 관점에서, 본 발명은 아크릴 수지 100중량부 기준으로, 메톡시실란 15중량부; 수분산 폴리우레탄 분산제 15중량부; 하이드록시 에틸 셀룰로오스 10중량부; 메틸메타아크릴레이트 15중량부; 실리콘카바이드 6중량부; 술폰 에스테르 5중량부; 알키드 수지 6중량부; 2-디에틸아미노에틸아민 20중량부; 알루미노 실리케이트 3중량부; 크롬산 스트론튬 4중량부; 스타치에테르 2중량부; 메틸에틸케톤 80중량부; 탄산칼슘 20중량부; 테레프탈산 금속염 13중량부; 이소티아조린 유도체 2중량부; 파라핀 3중량부; 알루민산 칼슘 3중량부; 플루오린화나트륨 2중량부; 칼륨메틸실리코네이트 5중량부; 디메틸 암모늄 클로라이드 10중량부; 이소보닐아크릴레이트 10중량부; 플라스터 7중량부; 하소포졸라나 10중량부; 및 스티렌-부타디엔 수지 20중량부를 포함하는 친환경 보호 코팅제 조성물을 제공한다.In one aspect, the present invention provides a process for preparing an acrylic resin composition comprising, based on 100 parts by weight of an acrylic resin, 15 parts by weight of methoxysilane; 15 parts by weight of a water-dispersed polyurethane dispersant; 10 parts by weight of hydroxyethylcellulose; 15 parts by weight of methyl methacrylate; 6 parts by weight of silicon carbide; 5 parts by weight of sulfone ester; 6 parts by weight of an alkyd resin; 20 parts by weight of 2-diethylaminoethylamine; 3 parts by weight of aluminosilicate; 4 parts by weight of strontium chromate; 2 parts by weight starch ether; 80 parts by weight of methyl ethyl ketone; 20 parts by weight of calcium carbonate; 13 parts by weight of terephthalic acid metal salt; 2 parts by weight of isothiazolin derivatives; 3 parts by weight of paraffin; 3 parts by weight of calcium aluminate; 2 parts by weight of sodium fluoride; 5 parts by weight of potassium methylsiliconate; 10 parts by weight of dimethyl ammonium chloride; 10 parts by weight of isobornyl acrylate; 7 parts by weight of plaster; 10 parts by weight of calcined pozzolan; And 20 parts by weight of a styrene-butadiene resin.
다른 관점에서, 본 발명은 콘크리트 구조물 표면의 요철과 레이탄스를 제거하는 단계; 상기 콘크리트 구조물 표면의 이물질을 제거하기 위한 고압 세척단계; 상기 콘크리트 구조물의 표면상에 퍼티재를 도포하는 바탕 처리단계; 상기 콘크리트 구조물의 표면상에, 아크릴 수지 100중량부 기준으로, 메톡시실란 15중량부, 수분산 폴리우레탄 분산제 15중량부, 하이드록시 에틸 셀룰로오스 10중량부, 메틸메타아크릴레이트 15중량부, 실리콘카바이드 6중량부, 술폰 에스테르 5중량부, 알키드 수지 6중량부, 2-디에틸아미노에틸아민 20중량부, 알루미노 실리케이트 3중량부, 크롬산 스트론튬 4중량부, 스타치에테르 2중량부, 메틸에틸케톤 80중량부, 탄산칼슘 20중량부, 테레프탈산 금속염 13중량부, 이소티아조린 유도체 2중량부, 파라핀 3중량부, 알루민산 칼슘 3중량부, 플루오린화나트륨 2중량부, 칼륨메틸실리코네이트 5중량부, 디메틸 암모늄 클로라이드 10중량부, 이소보닐아크릴레이트 10중량부, 플라스터 7중량부, 하소포졸라나 10중량부, 및 스티렌-부타디엔 수지 20중량부를 포함하는 친환경 보호 코팅제 조성물을 1차적으로 도포하여 하도층을 형성한 후 1차 양생하는 단계; 상기 하도층의 표면상에 상기 하도층과 동일 성분의 친환경 보호 코팅제 조성물을 2차적으로 도포하여 중도층을 형성한 후 2차 양생하는 단계; 및 상기 중도층의 표면상에 상기 중도층과 동일 성분의 친환경 보호 코팅제 조성물을 3차적으로 도포하여 상도층을 형성한 후 3차 양생하는 단계를 포함하는 친환경 보호 코팅제 조성물의 시공방법을 제공한다.
In another aspect, the present invention provides a method of manufacturing a concrete structure, the method comprising: removing concavity and convexity on a surface of a concrete structure; A high-pressure washing step for removing foreign matters on the surface of the concrete structure; A pretreatment step of applying a putty material on the surface of the concrete structure; On the surface of the concrete structure, 15 parts by weight of methoxysilane, 15 parts by weight of an aqueous dispersion polyurethane dispersant, 10 parts by weight of hydroxyethyl cellulose, 15 parts by weight of methyl methacrylate, 6 weight parts of sulfone ester, 6 weight parts of alkyd resin, 20 weight parts of 2-diethylaminoethylamine, 3 weight parts of aluminosilicate, 4 weight parts of strontium chromate, 2 weight parts of starch ether, 20 parts by weight of calcium carbonate, 13 parts by weight of terephthalic acid metal salt, 2 parts by weight of isothiazolin derivative, 3 parts by weight of paraffin, 3 parts by weight of calcium aluminate, 2 parts by weight of sodium fluoride, 5 parts by weight of potassium methylsiliconate , 10 parts by weight of dimethyl ammonium chloride, 10 parts by weight of isobornyl acrylate, 7 parts by weight of plaster, 10 parts by weight of calcined pozzolan, and 20 parts by weight of styrene-butadiene resin A step of firstly applying an environmental protective coating composition to form a primer layer and then curing the primer; Applying an environmentally friendly protective coating composition having the same composition as the primer layer on the surface of the primer layer to form a primer layer and then curing the primer layer; And applying an environmentally friendly protective coating composition having the same composition as the middle layer to the surface of the intermediate layer to form an upper layer, followed by a third curing.
본 발명에 따른 친환경 보호 코팅제 조성물은 도막을 형성하고자 하는 대상표면, 예를 들면 콘크리트, 금속, 목재, 유리 등으로 이루어진 표면에 코팅되어 도막을 형성시켜 표면을 보호하기 위한 것으로서, 이러한 목적을 갖는 당업계의 통상적인 코팅제 조성물이라면 특별히 한정되지 않는다.The protective coating composition for protecting the environment according to the present invention is for protecting the surface by forming a coating on the surface of a target surface to be coated, for example, concrete, metal, wood, glass, etc., And is not particularly limited as long as it is a conventional coating composition in the industry.
특히, 본 발명에 따른 코팅제 조성물, 특정적으로 친환경 보호 코팅제 조성물은 콘크리트 중성화 방지, 염해방지 등과 콘크리트 수밀성 증가로 인한 표면강화, 내구성, 부착력, 내오염성 및 난연성 등이 우수한 도막을 형성시킬 수 있으므로, 유리, 주차장, 공장바닥, 건축물 내외벽 및/또는 건축물 옥상 등에 적용될 수 있을 뿐만 아니라, 강판용 프라이머 등에 적용할 수 있다.Particularly, the coating composition according to the present invention, in particular, the environmentally friendly protective coating composition, can form a coating film having excellent properties such as prevention of concrete neutralization and prevention of salt damage, surface strengthening, durability, adhesion, stain resistance and flame retardancy, Glass, a parking lot, a factory floor, an inner and outer wall of a building and / or a rooftop of a building, as well as a primer for a steel plate.
본 발명에 따른 아크릴 수지는 친환경 보호 코팅제 조성물에 포함되어 콘크리트 등의 보호 대상표면이 외부에 노출되지 않도록 하여 염해, 중성화방지 및 방수/방식 성능을 제공하기 위한 것으로서, 이러한 목적을 위해 통상적으로 사용하는 아크릴 수지라면 어떠한 것을 사용하여도 무방하다.The acrylic resin according to the present invention is contained in an environmentally friendly protective coating composition to provide a surface to be protected such as concrete not to be exposed to the outside to prevent chlorination, neutralization and waterproof / corrosion performance. Any acrylic resin may be used.
여기서, 상기 아크릴 수지는 산 및/또는 염기에 강하고, 자외선에 의한 변색이나 구조노화를 방지하는 내후성을 제공하는 동시에 표면 광택을 부가할 수 있다.Here, the acrylic resin is resistant to an acid and / or a base and provides weather resistance for preventing discoloration due to ultraviolet rays or structural aging, and can add surface gloss.
또한, 상기 아크릴 수지는 친환경 보호 코팅제 조성물에 포함되어 보호 코팅제막을 형성하고자 하는 시공표면에 용이하게 접착할 수 있도록 하는 접착력을 제공할 수 있다.In addition, the acrylic resin may be included in the environmentally-friendly protective coating composition to provide an adhesive force to easily adhere to a construction surface to form a protective coating film.
본 발명에 따른 코팅제 조성물, 특정적으로 친환경 보호 코팅제 조성물의 아크릴 수지 외 나머지 성분들의 함량은 아크릴 수지 100중량부 기준으로 한다.The content of the coating composition according to the present invention, specifically the components other than the acrylic resin of the environmentally friendly protective coating composition, is based on 100 parts by weight of the acrylic resin.
본 발명에 따른 메톡시실란은 친환경 보호 코팅제 조성물을 구성하는 유-무기 물질이 서로 용이하게 결합되도록 하기 위한 것으로서, 이러한 목적을 위해 당업계에서 통상적으로 사용하는 메톡시실란이라면 어떠한 것을 사용하여도 무방하다. The methoxysilane according to the present invention is intended to allow the organic-inorganic materials constituting the environmentally-friendly protective coating composition to easily bond with each other. For this purpose, any of the methoxysilanes conventionally used in the art can be used Do.
특히, 본 발명에 따른 메톡시실란은 내크랙성, 내화학성 등을 증가시키고, 열적안정성 및 기계적 물성을 향상시킬 뿐만 아니라, 후술하는 수분산 폴리우레탄 분산제의 미흡한 열적안정성 및 기계적 물성을 향상시키기 위한 것이다.In particular, the methoxysilane according to the present invention not only improves crack resistance, chemical resistance and the like, improves thermal stability and mechanical properties, but also improves the thermal stability and mechanical properties of the water-dispersed polyurethane dispersant described later will be.
바람직한 메톡시실란의 사용량은 특별히 한정되지 않지만, 추천하기로는 아크릴 수지 100중량부 기준으로 15중량부인 것이 좋다.The amount of the preferable methoxysilane to be used is not particularly limited, but preferably 15 parts by weight based on 100 parts by weight of the acrylic resin.
본 발명에 따른 수분산 폴리우레탄 분산제는 친환경 보호 코팅제 조성물에 포함되어, 친환경적이면서도 부착성(G/L, GI, EGL 등), 방수성, 내스크래취성, 내수성, 내한성, 내식성 및/또는 내화학성 등을 증가시키기 위한 것으로서, 이러한 목적을 갖는 당업계의 통상적인 수분산 폴리우레탄 분산제라면 어떠한 것을 사용하여도 무방하며, 그 사용량은 사용자의 선택에 따라 변경 가능하지만, 바람직하게는 아크릴 수지 100중량부 기준으로 15중량부인 것이 좋다.The water-dispersed polyurethane dispersant according to the present invention is contained in an environmentally friendly protective coating composition and is environmentally friendly and has good adhesion (G / L, GI, EGL), water resistance, scratch resistance, water resistance, cold resistance, corrosion resistance and / Dispersible polyurethane dispersant may be used. The amount of the dispersant may vary depending on the user's choice. Preferably, the amount of the acrylic resin is 100 parts by weight By weight.
특정 양태로서, 본 발명에 따른 수분산 폴리우레탄 분산제는 프리아크릴 수지, IPDI(isophorone diisocyante), MDI(methyl diisocyanate), polyol(polytetramethyleneglycol, polyhexamethylene adipate). DMPA(dimethylolpropionicacid), DMS(dimethylol sulfate) 또는 이들의 혼합물을 출발물질로 하여 NCO- 말단기를 갖는 프리아크릴 수지를 제조한 뒤 촉매제, 예를 들면 DBTL 또는 DBTDL(dibutyltin dilaurate)와 중화제, 예를 들면 TEA(triethyl amine)와 사슬연장제 EDA(ethyl diamine)를 사용하여 제조할 수 있다.In a particular embodiment, the water-dispersed polyurethane dispersant according to the present invention is selected from the group consisting of preacrylic resins, isophorone diisocyante (IPDI), methyl diisocyanate (MDI), polyol (polytetramethyleneglycol, polyhexamethylene adipate). A pre-acrylic resin having an NCO-terminal group is prepared by using DMPA (dimethylolpropionic acid), DMS (dimethylol sulfate) or a mixture thereof, and then a catalyst such as DBTL or DBTDL (dibutyltin dilaurate) TEA (triethylamine) and chain extender EDA (ethyl diamine).
본 발명에 따른 하이드록시 에틸 셀룰로오스(HydroxyEthyl Cellulose)는 보호 코팅제 조성물의 점도를 조절하여 보호 코팅제 조성물의 사용을 용이하게 하기 위한 것으로서, 이러한 목적을 위해 당업계에서 통상적으로 사용되는 하이드록시 에틸 셀룰로오스라면 특별히 한정되지 않는다.Hydroxyethyl cellulose according to the present invention is used for controlling the viscosity of a protective coating composition to facilitate the use of a protective coating composition. For this purpose, hydroxyethyl cellulose conventionally used in the art is particularly preferable It is not limited.
상기 하이드록시 에틸 셀룰로오스의 사용량은 아크릴 수지 100중량부 기준으로 10중량부인 것이 바람직하다.The amount of the hydroxyethyl cellulose used is preferably 10 parts by weight based on 100 parts by weight of the acrylic resin.
여기서, 상기 하이드록시 에틸 셀룰로오스는 보수성을 가질 수 있다.Here, the hydroxyethyl cellulose may have water retention property.
본 발명에 따른 메틸메타아크릴레이트(MMA: Methyl MethAcrylate)는 우수한 접착력 및 기계적 물성을 유지하여 외부 충격에 의한 크랙 및 탈락현상을 방지하기 위한 것이다.Methyl methacrylate (MMA) according to the present invention maintains excellent adhesive force and mechanical properties to prevent cracks and dropouts due to external impacts.
바람직한 메틸메타아크릴레이트의 사용량은 아크릴 수지 100중량부 기준으로 15중량부인 것을 추천한다.It is recommended that the amount of methylmethacrylate used is 15 parts by weight based on 100 parts by weight of acrylic resin.
여기서, 상기 메틸메타아크릴레이트는 점도가 10 내지 1,000cps인 저점도 메틸메타크릴레이트(MMA) 수지 49 내지 70중량%와, 점도가 2,000 내지 20,000cps인 고점도 메틸메타크릴레이트(MMA) 20 내지 50중량%를 혼합하여 얻어지는 메틸메타크릴레이트 혼합물에 SIS(stylene isoprene stylene), SBR(stylene butadiene rubber), SBS(stylene butadiene stylene) 중에서 선택된 하나 이상의 혼합물 1 내지 10중량%를 혼합한 변성 메틸메타아크릴레이트를 사용할 수도 있다.Wherein the methyl methacrylate comprises 49 to 70% by weight of a low viscosity methyl methacrylate (MMA) resin having a viscosity of 10 to 1,000 cps, 20 to 50% of high viscosity methyl methacrylate (MMA) having a viscosity of 2,000 to 20,000 cps, And 1 to 10% by weight of a mixture of at least one selected from styrene isoprene styrene (SIS), styrene butadiene rubber (SBR), and styrene butadiene styrene (SBS) is mixed with a methyl methacrylate mixture obtained by mixing ethylene / May be used.
본 발명에 따른 실리콘카바이드는 친환경 보호 코팅제 조성물의 건조 중에 표면으로 부상하여 치밀하고 경도가 높은 표면을 형성하기 때문에, 수증기와 기타 기체, 액체의 투과를 방지함은 물론, 내습성, 내구성, 내후성, 내충격성, 내약품성이 향상된다.The silicon carbide according to the present invention floats to the surface during the drying of the environmentally friendly protective coating composition to form a dense and hard surface, thereby preventing the permeation of water vapor and other gases and liquids, and also preventing moisture, durability, The impact resistance and the chemical resistance are improved.
상기 실리콘카바이드의 사용량은 아크릴 수지 100중량부 기준으로 6중량부인 것이 좋고, 그 평균 입경은 300 내지 500nm인 것이 바람직하지만 이에 한정되는 것은 아니다.The amount of the silicon carbide used is preferably 6 parts by weight based on 100 parts by weight of the acrylic resin, and the average particle diameter is preferably 300 to 500 nm, but is not limited thereto.
특히, 상기 실리콘카바이드는 천연광물로 존재하지 않으므로 인공적으로 합성하며, 고온에서의 화학적 안정성 및 내식성이 뛰어나고 높은 경도를 갖는다.In particular, since silicon carbide is not present as a natural mineral, it is synthesized artificially, has excellent chemical stability and corrosion resistance at high temperature, and has high hardness.
본 발명에 따른 술폰 에스테르는 계면활성제로 사용된다.Sulfones esters according to the invention are used as surfactants.
바람직한 술폰 에스테르는 사용자의 선택에 따라 변경 가능하지만, 아크릴 수지 100중량부 기준으로 5중량부인 것을 추천한다.The preferred sulfone ester may be varied depending on the user's choice, but it is recommended that the amount of the sulfone ester be 5 parts by weight based on 100 parts by weight of the acrylic resin.
본 발명에 따른 알키드 수지는 코팅제 조성물이 도포되는 대상면에 용이하게 도포되도록 하는 것으로서, 이러한 용도로 사용되는 당업계의 통상적인 알키드 수지라면 어떠한 것을 사용하여도 무방하며, 그 사용량은 특별히 한정되는 것은 아니지만, 아크릴 수지 100중량부 기준으로 6중량부인 것이 좋다.The alkyd resin according to the present invention allows the coating composition to be easily applied to a surface to which the coating composition is applied. Any alkyd resin can be used as long as it is a conventional alkyd resin used in this application, However, it is preferably 6 parts by weight based on 100 parts by weight of the acrylic resin.
본 발명에 따른 2-디에틸아미노에틸아민는 친환경 보호 코팅제 조성물을 경화시키기 위한 것으로서, 그 사용량은 아크릴 수지 100중량부 기준으로 20중량부를 사용하는 것이 좋다.The 2-diethylaminoethylamine according to the present invention is used for curing an environmentally friendly protective coating composition. The amount of the 2-diethylaminoethylamine to be used is preferably 20 parts by weight based on 100 parts by weight of the acrylic resin.
본 발명에 따른 알루미노 실리케이트는 보호 코팅제 조성물의 내크랙성, 내수성, 내오염성, 내마모성 및/또는 내부착성 등을 향상시키기 위한 것으로서, 그 사용량은 아크릴 수지 100중량부 기준으로 3중량부인 것을 추천한다.The aluminosilicate according to the present invention is used for improving the crack resistance, water resistance, stain resistance, abrasion resistance and / or adhesion resistance of the protective coating composition and is preferably 3 parts by weight based on 100 parts by weight of the acrylic resin do.
본 발명에 따른 크롬산 스트론튬은 친환경 보호 코팅제 조성물이 적용되는 대상면의 부식을 방지하기 위한 것으로서, 그 사용량은 특별히 한정되는 것은 아니지만, 추천하기로는 아크릴 수지 100중량부 기준으로 4중량부인 것이 좋다.Strontium chromate according to the present invention is intended to prevent corrosion of a surface to which an environmentally friendly protective coating composition is applied. The amount of the strontium chromate used is not particularly limited, but is preferably 4 parts by weight based on 100 parts by weight of the acrylic resin.
본 발명에 따른 스타치에테르(Starch ether)는 셀프 레벨링(자기충전성능)을 개선하기 위하여 첨가되는 것으로, 그 사용량은 특별히 한정되는 것은 아니지만, 추천하기로는 아크릴 수지 100중량부 기준으로 2중량부인 것이 좋다.Starch ether according to the present invention is added to improve self-leveling (self-charging performance). The amount of starch ether to be used is not particularly limited, but it is preferably 2 parts by weight based on 100 parts by weight of acrylic resin good.
본 발명에 따른 메틸에틸케톤은 용제로서, 아크릴 수지 100중량부 기준으로 80중량부인 것이 좋다.The methyl ethyl ketone according to the present invention is preferably 80 parts by weight based on 100 parts by weight of the acrylic resin as a solvent.
본 발명에 따른 탄산칼슘은 보호 코팅제 조성물, 특정적으로 친환경 보호 코팅제 조성물의 치수 안정성 및 내모마성을 향상시키기 위한 것으로서, 이러한 목적을 갖는 당업계의 통상적인 탄산칼슘이라면 특별히 한정되지 않는다.The calcium carbonate according to the present invention is intended to improve the dimensional stability and anti-abrasion property of the protective coating composition, specifically the environmentally friendly protective coating composition, and is not particularly limited as long as it is a conventional calcium carbonate in the art having such a purpose.
바람직한 탄산칼슘의 사용량은 아크릴 수지 100중량부 기준으로 20중량부인 것이 좋다.The amount of calcium carbonate to be used is preferably 20 parts by weight based on 100 parts by weight of the acrylic resin.
여기서, 상기 탄산칼슘의 사용량이 20중량부 미만이면 치수 안정성 및 내마모성, 칙소성(Thixotropic)의 저하를 가져와 내구성이 좋지 않고, 20중량부를 초과하는 경우에는 칙소 상승에 의한 작업성 저하 및 내충격성 저하 등의 영향을 가져오므로 바람직하지 못하다.When the amount of the calcium carbonate is less than 20 parts by weight, the dimensional stability, abrasion resistance, and thixotropic are lowered, resulting in poor durability. When the amount is more than 20 parts by weight, workability and impact resistance And the like, which is undesirable.
본 발명에 따른 테레프탈산 금속염은 친환경 보호 코팅제 조성물의 구성성분들 사이의 혼합을 원활하게 수행하기 위한 것으로서, 그 사용량은 아크릴 수지 100중량부 기준으로 13중량부인 것을 추천한다.The terephthalic acid metal salt according to the present invention is used for smoothly mixing the constituents of the environmentally friendly protective coating composition, and it is recommended that the terephthalic acid metal salt is used in an amount of 13 parts by weight based on 100 parts by weight of the acrylic resin.
본 발명에 따른 이소티아조린(Isothiazoline) 유도체은 친환경 보호 코팅제 조성물이 부식되는 것을 방지하기 위한 것으로서, 그 사용량은 아크릴 수지 100중량부 기준으로 2중량부인 것을 추천한다.The isothiazoline derivative according to the present invention is intended to prevent the environmentally friendly protective coating composition from being corroded, and it is recommended that the amount of the isothiazoline used is 2 parts by weight based on 100 parts by weight of the acrylic resin.
본 발명에 따른 파라핀은 연행공기의 발생으로 인한 공기량의 증가를 감소시키기 위한 것이다.The paraffin according to the present invention is intended to reduce the increase in the amount of air due to the generation of the entrained air.
바람직한 파라핀의 사용량은 아크릴 수지 100중량부 기준으로 3중량부인 것이 좋다.The preferred amount of paraffin used is 3 parts by weight based on 100 parts by weight of acrylic resin.
본 발명에 따른 알루민산 칼슘은 조성물에 포함되면 팽창성을 띠게 되어 건초수축을 방지하며, 그 사용량은 아크릴 수지 100중량부 기준으로 3중량부를 사용하는 것을 추천한다.When calcium aluminate according to the present invention is included in the composition, it is swellable to prevent hay shrinkage. It is recommended that the amount of calcium aluminate used is 3 parts by weight based on 100 parts by weight of acrylic resin.
본 발명에 따른 플루오린화나트륨은 1차적으로 충진제로서의 역할도 하지만, 2차적으로는 내구성을 향상시키는 역할을 하는 것으로서, 아크릴 수지 100중량부 기준으로 2중량부를 포함하는 것을 추천한다.The sodium fluoride according to the present invention plays a role primarily as a filler, but secondly it serves to improve durability, and it is recommended that it contains 2 parts by weight based on 100 parts by weight of acrylic resin.
본 발명에 따른 칼륨메틸실리코네이트는 조성물을 코팅대상면 내부로 침투시켜 주는 역할을 함과 동시에 발수성을 증대시키기 이한 것으로서, 아크릴 수지 100중량부 기준으로 5중량부를 사용하는 것이 좋다.The potassium methylsiliconate according to the present invention acts to penetrate the composition into the surface of the coating and enhance the water repellency, and it is preferable to use 5 parts by weight based on 100 parts by weight of the acrylic resin.
본 발명에 따른 디메틸 암모늄 클로라이드는 콘크리트 등의 코팅 대상면 내에 존재하는 유해 성분들이 외부로 용출되는 것을 방지하여 환경오염을 유발하는 것을 방지하기 위한 것으로서, 아크릴 수지 100중량부 기준으로 10중량부를 사용하는 것을 추천한다.The dimethyl ammonium chloride according to the present invention is used for preventing the harmful components present in the coated surface such as concrete from leaking to the outside and causing environmental pollution, and 10 parts by weight of 100 parts by weight of acrylic resin is used .
본 발명에 따른 이소보닐아크릴레이트는 조성물의 분산성을 향상시키기 위한 것으로서, 아크릴 수지 100중량부 기준으로 10중량부를 포함하는 것이 좋다.The isobonyl acrylate according to the present invention is intended to improve the dispersibility of the composition, and it is preferable that 10 parts by weight of isobornyl acrylate is contained based on 100 parts by weight of acrylic resin.
본 발명에 따른 플라스터(plaster)는 분말 등의 고형분과 액상 성분이 서로 용이하게 혼합될 수 있도록 하기 위한 것으로서, 아크릴 수지 100중량부 기준으로 7중량부를 포함하는 것이 바람직하다.The plaster according to the present invention is intended to allow easy mixing of solid and liquid components such as powders, and it preferably includes 7 parts by weight based on 100 parts by weight of acrylic resin.
본 발명에 따른 하소포졸라나(calcinated pozzolana)는 주로 세립인 적색의 화산성 흙으로 구성되어 있는 천연 포졸라나에 칼슘을 첨가하여 제조하며, 본 발명에 따른 코팅제의 방수성을 향상시키는 기능을 제공한다.The calcined pozzolana according to the present invention is prepared by adding calcium to natural pozzolana, which is composed mainly of fine red, volatile acid earth, and provides a function of improving the water resistance of the coating agent according to the present invention.
바람직한 하소포졸라나의 사용량은 특별히 한정되는 것은 아니지만, 아크릴 수지 100중량부 기준으로 10중량부를 사용하는 것이 좋다.The preferred amount of the lowering agent to be used is not particularly limited, but it is preferable to use 10 parts by weight based on 100 parts by weight of the acrylic resin.
특히, 상기 하소포졸라나는 천연 포졸라나 100중량부에 칼슘 1 내지 20중량부를 혼합한 혼합물을 1000 내지 1200℃의 온도범위에서 0.5 내지 1시간 동안 소성한 후 평균입도가 10 내지 20㎛가 되도록 분쇄한 것을 사용하는 것이 바람직하다.Particularly, the mixture of 100 parts by weight of the natural pozzolana and 1 to 20 parts by weight of calcium is calcined at a temperature of 1000 to 1200 ° C. for 0.5 to 1 hour, and pulverized to have an average particle size of 10 to 20 μm Is preferably used.
본 발명에 따른 스티렌-부타디엔 수지는 조성물의 내부에 폴리머 필름을 형성하여, 휨, 인장 및 부착강도를 증진시킬 뿐만 아니라, 내구성을 개선하기 위한 것으로서, 아크릴 수지 100중량부 기준으로 20중량부를 포함하는 것이 바람직하다.The styrene-butadiene resin according to the present invention is a styrene-butadiene resin for improving the durability as well as improving the warpage, tensile and adhesion strength by forming a polymer film inside the composition, and comprises 20 parts by weight .
특정 양태로서, 본 발명에 따른 친환경 보호 코팅제 조성물은 필요에 따라 아크릴 수지의 공극 및 구조물의 공극을 메워 접착성 및 방수성, 내구성 등을 향상시키기 위하여 라텍스를 더 포함할 수 있다. As a specific aspect, the environmentally protective coating composition according to the present invention may further include a latex in order to improve the adhesiveness, waterproofness, durability and the like by filling voids of the acrylic resin and voids of the structure, if necessary.
바람직한 라텍스의 사용량은 아크릴 수지 100중량부 기준으로 10중량부인 것이 좋다.The amount of the latex is preferably 10 parts by weight based on 100 parts by weight of the acrylic resin.
다른 특정 양태로서, 본 발명에 따른 친환경 보호 코팅제 조성물은 코팅제 조성물에 난연성을 제공하기 위하여 아크릴 수지 100중량부 기준으로 10중량부의 수산화알루미늄을 더 포함할 수 있다.In another specific embodiment, the environmentally protective coating composition according to the present invention may further comprise 10 parts by weight of aluminum hydroxide on the basis of 100 parts by weight of acrylic resin to provide flame retardancy to the coating composition.
여기서, 상기 수산화알루미늄은 적은 양을 사용하여도 친환경 보호 코팅제 조성물이 요구하는 난연성을 충족시키기 위해 암모늄 피로인산, 특정적으로는 액상 암모늄 피로인산을 난연 보조제로서 함께 사용할 수 있다.Here, the aluminum hydroxide may be used together with a small amount of ammonium pyrophosphoric acid, specifically, liquid ammonium pyrophosphoric acid as a flame retardant auxiliary agent, to satisfy the flame retardancy required by the environmentally friendly protective coating composition.
이때, 상기 난연 보조제는 인계 난연제 및/또는 표면처리된 수산화마그네슘과 함께 사용할 경우 하나의 수산화알루미늄을 단독으로 사용하였을 경우 보다 난연효과를 상승시켜 적은 양의 수산화알루미늄으로 충분한 난연효과를 나타낼 수 있도록 한다.When the phosphorus flame retardant and / or the surface-treated magnesium hydroxide is used together with the flame-retardant additive, the flame-retardant effect is increased as compared with the case where only one aluminum hydroxide is used alone, .
그러나 상기 액상 암모늄 피로인산은 그 자체적으로 난연효과가 없는 것은 아니다.However, the liquid ammonium ammonium pyrophosphate does not have its own flame retarding effect.
또 다른 특정 양태로서, 본 발명에 따른 친환경 보호 코팅제 조성물은 코팅층을 형성하고자 하는 대상면으로부터 쉽게 박리되는 것을 방지하기 위해 액상형으로 비중이 1.0 이상이고 60℃ 점도가 110 cPs인 폴리인산계 박리방지제를 더 포함할 수 있다.In another specific embodiment, the environmentally friendly protective coating composition according to the present invention comprises a polyphosphoric acid peeling inhibitor having a specific gravity of 1.0 or more and a viscosity at 60 ° C of 110 cPs to prevent peeling of the coating layer from a target surface, .
바람직한 폴리인산계 박리방지제의 사용량은 아크릴 수지 100중량부 기준으로 15중량부인 것을 추천한다.It is recommended that the preferred amount of the polyphosphoric acid peel inhibitor is 15 parts by weight based on 100 parts by weight of the acrylic resin.
또 다른 특정 양태로서, 본 발명에 따른 친환경 보호 코팅제 조성물은 조성물 내부에 필름을 형성하여 휨 및 부착강도를 향상시키며, 보수성이 개선되어 중성화, 염화물 이온 침투, 동결융해 등에 대한 내구성을 향상시킬 수 있도록 초산비닐/비닐바사테이트(Va/VeoVa)을 아크릴 수지 100중량부 기준으로 2중량부를 더 포함할 수 있다.In another specific embodiment, the eco-friendly protective coating composition according to the present invention has a structure in which a film is formed to improve warpage and adhesion strength, and water retention is improved to improve durability against neutralization, chloride ion penetration, freezing and thawing And 2 parts by weight of vinyl acetate / vinyl valerate (Va / VeoVa) based on 100 parts by weight of acrylic resin.
바람직한 초산비닐/비닐바사테이트(Va/VeoVa)로는 겉보기 비중은 475ㅁg/l, 입도는 max,2%>400㎛이고, 물에 재분산 시 0.3 내지 9㎛의 입도분포를 나타내는 것이 좋다.As the preferred vinyl acetate / vinyl acetate (Va / VeoVa), the apparent specific gravity is 475? G / l, the particle size is max, 2%> 400 占 퐉 and the particle size distribution is 0.3 to 9 占 퐉 when redispersed in water.
또 다른 특정 양태로서, 본 발명에 따른 친환경 보호 코팅제 조성물은 조성물의 강도를 증가시키고, 조성물간의 결합력, 균열방지 등을 제공하기 위하여 아크릴 수지 100중량부 기준으로 폴리아미드 섬유 10중량부를 더 포함할 수 있다.In another specific embodiment, the environmentally protective coating composition according to the present invention may further comprise 10 parts by weight of polyamide fiber based on 100 parts by weight of acrylic resin in order to increase the strength of the composition and to provide bonding strength, have.
상기 폴리아미드 섬유는 폴리아미드(나일론) 6, 폴리아미드(나일론) 66 또는 이들의 혼합물을 포함한다.
The polyamide fibers include polyamide (nylon) 6, polyamide (nylon) 66, or mixtures thereof.
이와 같은 구성을 갖는 본 발명에 따른 보호 코팅제 조성물, 특정적으로 친환경 보호 코팅제 조성물의 시공방법을 설명하면 다음과 같다.A protective coating composition according to the present invention having the above-described structure, and a method for constructing the environmentally protective coating composition will be described below.
먼저, 콘크리트 구조물 표면의 요철과 레이탄스를 제거하는 단계;Firstly, the steps of removing the concavity and convexity of the surface of the concrete structure;
상기 콘크리트 구조물 표면의 이물질을 제거하기 위한 고압 세척단계;A high-pressure washing step for removing foreign matters on the surface of the concrete structure;
상기 콘크리트 구조물의 표면상에 퍼티재를 도포하는 바탕 처리단계;A pretreatment step of applying a putty material on the surface of the concrete structure;
상기 콘크리트 구조물의 표면상에, 아크릴 수지 100중량부 기준으로, 메톡시실란 15중량부, 수분산 폴리우레탄 분산제 15중량부, 하이드록시 에틸 셀룰로오스 10중량부, 메틸메타아크릴레이트 15중량부, 실리콘카바이드 6중량부, 술폰 에스테르 5중량부, 알키드 수지 6중량부, 2-디에틸아미노에틸아민 20중량부, 알루미노 실리케이트 3중량부, 크롬산 스트론튬 4중량부, 스타치에테르 2중량부, 메틸에틸케톤 80중량부, 탄산칼슘 20중량부, 테레프탈산 금속염 13중량부, 이소티아조린 유도체 2중량부, 파라핀 3중량부, 알루민산 칼슘 3중량부, 플루오린화나트륨 2중량부, 칼륨메틸실리코네이트 5중량부, 디메틸 암모늄 클로라이드 10중량부, 이소보닐아크릴레이트 10중량부, 플라스터 7중량부, 하소포졸라나 10중량부, 및 스티렌-부타디엔 수지 20중량부를 포함하는 친환경 보호 코팅제 조성물을 1차적으로 도포하여 하도층을 형성한 후 1차 양생하는 단계;On the surface of the concrete structure, 15 parts by weight of methoxysilane, 15 parts by weight of an aqueous dispersion polyurethane dispersant, 10 parts by weight of hydroxyethyl cellulose, 15 parts by weight of methyl methacrylate, 6 weight parts of sulfone ester, 6 weight parts of alkyd resin, 20 weight parts of 2-diethylaminoethylamine, 3 weight parts of aluminosilicate, 4 weight parts of strontium chromate, 2 weight parts of starch ether, 20 parts by weight of calcium carbonate, 13 parts by weight of terephthalic acid metal salt, 2 parts by weight of isothiazolin derivative, 3 parts by weight of paraffin, 3 parts by weight of calcium aluminate, 2 parts by weight of sodium fluoride, 5 parts by weight of potassium methylsiliconate , 10 parts by weight of dimethyl ammonium chloride, 10 parts by weight of isobornyl acrylate, 7 parts by weight of plaster, 10 parts by weight of calcined pozzolan, and 20 parts by weight of styrene-butadiene resin A step of firstly applying an environmental protective coating composition to form a primer layer and then curing the primer;
상기 하도층의 표면상에 상기 하도층과 동일 성분의 친환경 보호 코팅제 조성물을 2차적으로 도포하여 중도층을 형성한 후 2차 양생하는 단계; 및Applying an environmentally friendly protective coating composition having the same composition as the primer layer on the surface of the primer layer to form a primer layer and then curing the primer layer; And
상기 중도층의 표면상에 상기 중도층과 동일 성분의 친환경 보호 코팅제 조성물을 3차적으로 도포하여 상도층을 형성한 후 3차 양생하는 단계를 포함한다.
Applying the environmentally protective coating composition having the same composition as that of the intermediate layer on the surface of the intermediate layer to form a top layer, and then curing the intermediate layer.
이하에서 실시예를 통하여 본 발명을 구체적으로 설명하기로 한다. 그러나 하기의 실시예는 오로지 본 발명을 구체적으로 설명하기 위한 것으로 이들 실시예에 의해 본 발명의 범위를 한정하는 것은 아니다.
Hereinafter, the present invention will be described in detail by way of examples. However, the following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
[실시예 1][Example 1]
아크릴 수지 100g, 메톡시실란 15g, IPDI(isophorone diisocyante)를 출발물질로 하여 NCO- 말단기를 갖는 프리아크릴 수지를 제조한 뒤 DBTDL(dibutyltin dilaurate)와 TEA(triethyl amine)와 EDA(ethyl diamine)를 사용하여 제조한 수분산 폴리우레탄 분산제 15g, 하이드록시 에틸 셀룰로오스 10g, 메틸메타아크릴레이트 15g, 평균 입경이 약 400nm인 실리콘카바이드 6g, 술폰 에스테르 5g, 알키드 수지 6g, 2-디에틸아미노에틸아민 20g, 알루미노 실리케이트 3g, 크롬산 스트론튬 4g, 스타치에테르 2g, 메틸에틸케톤 80g, 탄산칼슘 20g, 테레프탈산 금속염 13g, 이소티아조린 유도체 2g, 파라핀 3g, 알루민산 칼슘 3g, 플루오린화나트륨 2g, 칼륨메틸실리코네이트 5g, 디메틸 암모늄 클로라이드 10g, 이소보닐아크릴레이트 10g, 플라스터 7g, 하소포졸라나 10g, 스티렌-부타디엔 수지 20g을 혼합하여 친환경 보호 코팅제 조성물을 제조하였다.
A preacrylic resin having an NCO-terminal group was prepared by using 100 g of acrylic resin, 15 g of methoxysilane and IPDI (isophorone diisocyante) as starting materials, and then DBTDL (dibutyltin dilaurate), TEA (triethylamine) and EDA 15 g of hydroxyethylcellulose, 15 g of methylmethacrylate, 6 g of silicon carbide having an average particle diameter of about 400 nm, 5 g of a sulfonic ester, 6 g of an alkyd resin, 20 g of 2-diethylaminoethylamine, 3 g of aluminosilicate, 4 g of strontium chromate, 2 g of starch ether, 80 g of methyl ethyl ketone, 20 g of calcium carbonate, 13 g of terephthalic acid metal salt, 2 g of isothiazolin derivative, 3 g of paraffin, 3 g of calcium aluminate, 2 g of sodium fluoride, 10 g of dimethyl ammonium chloride, 10 g of isobornyl acrylate, 7 g of plaster, 10 g of calcined pozzolan and 20 g of styrene-butadiene resin were mixed to prepare an environment-friendly protection Tingje the composition was prepared.
[실시예 2][Example 2]
실시예 1과 동일한 방법으로 실시하되, 라텍스 10g을 더 부가하여 실시하였다.
The procedure of Example 1 was repeated, except that 10 g of latex was further added.
[실시예 3][Example 3]
실시예 2와 동일한 방법으로 실시하되, 수산화알루미늄 10g을 더 부가하여 실시하였다.
The procedure of Example 2 was repeated, except that 10 g of aluminum hydroxide was further added.
[실시예 4][Example 4]
실시예 3과 동일한 방법으로 실시하되, 비중이 1.0 이상이고 60℃ 점도가 110 cPs인 폴리인산계 박리방지제 15g을 더 부가하여 실시하였다.
15 g of a polyphosphoric acid peeling inhibitor having a specific gravity of 1.0 or more and a viscosity at 60 ° C of 110 cPs was further added in the same manner as in Example 3.
[실시예 5][Example 5]
실시예 4와 동일한 방법으로 실시하되, 겉보기 비중은 475ㅁg/l, 입도는 max,2%>400㎛이고, 물에 재분산 시 0.3 내지 9㎛의 입도분포를 나타내는 초산비닐/비닐바사테이트 2g을 더 부가하여 실시하였다.
The same procedure as in Example 4 was carried out except that the resin had an apparent specific gravity of 475? G / l, a particle size of max, 2% > 400 占 퐉 and a particle size distribution of 0.3 to 9 占 퐉 Was further added.
[실시예 6][Example 6]
실시예 5와 동일한 방법으로 실시하되, 폴리아미드(나일론) 6 10g을 더 부가하여 실시하였다.
The procedure of Example 5 was repeated, except that 10 g of polyamide (nylon) 6 was further added.
[비교예 1][Comparative Example 1]
실시예 1과 동일한 방법으로 실시하되, 아크릴 수지를 제외하여 실시하였다.
The same procedure as in Example 1 was carried out except for the acrylic resin.
[비교예 2][Comparative Example 2]
실시예 1과 동일한 방법으로 실시하되, 수분산 폴리우레탄 분산제를 제외하여 실시하였다.
The procedure of Example 1 was repeated except that the water-dispersed polyurethane dispersant was omitted.
[실 험][Experiment]
실시예 및 비교예에 따라 제조된 코팅제 조성물을 이용하여 0.2평방미터의 콘크리트 표면상에 약 10마이크로미터 두께의 도막을 형성한 후 표준상태에서의 안정도, 표면경도, 방수성, 소성변화, 부착성 및 박리성 등을 측정하여 표 1로 나타냈다.
The coating composition prepared according to Examples and Comparative Examples was used to form a coating film having a thickness of about 10 micrometers on a concrete surface of 0.2 square meter, and then the stability, surface hardness, waterproofness, plasticity change, Peelability and the like were measured and shown in Table 1.
표 1에 나타낸 바와 같이, 본 발명에 따른 친환경 보호 코팅제 조성물을 사용한 실시예 1 내지 실시예 6은 소성변화가 적고, 방수성 및 부착성 등이 좋을 뿐만 아니라, 표면으로부터 쉽게 박리되지 않는 것을 확인할 수 있었다.
As shown in Table 1, it was confirmed that Examples 1 to 6 using the eco-friendly protective coating composition according to the present invention showed little firing change, good water resistance and adhesion, and were not easily peeled off the surface .
이상에서 설명한 바와 같이, 본 발명이 속하는 기술 분야의 당업자는 본 발명이 그 기술적 사상이나 필수적 특징을 변경하지 않고서 다른 구체적인 형태로 실시될 수 있다는 것을 이해할 수 있을 것이다. 그러므로 이상에서 기술한 실시예는 모두 예시적인 것이며 한정적인 것이 아닌 것으로서 이해해야만 한다. 본 발명의 범위는 상기 상세한 설명보다는 후술하는 특허청구범위의 의미 및 범위 그리고 그 등가개념으로부터 도출되는 모두 변경 또는 변형된 형태가 본 발명의 범위에 포함되는 것으로 해석되어야 한다.As described above, those skilled in the art will understand that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. It is therefore to be understood that the embodiments described above are all illustrative and not restrictive. The scope of the present invention should be construed as being included in the scope of the present invention without departing from the spirit and scope of the present invention as defined by the appended claims and their equivalents.
Claims (2)
Based on 100 parts by weight of an acrylic resin, 15 parts by weight of methoxysilane; 15 parts by weight of a water-dispersed polyurethane dispersant; 10 parts by weight of hydroxyethylcellulose; 15 parts by weight of methyl methacrylate; 6 parts by weight of silicon carbide; 5 parts by weight of sulfone ester; 6 parts by weight of an alkyd resin; 20 parts by weight of 2-diethylaminoethylamine; 3 parts by weight of aluminosilicate; 4 parts by weight of strontium chromate; 2 parts by weight starch ether; 80 parts by weight of methyl ethyl ketone; 20 parts by weight of calcium carbonate; 13 parts by weight of terephthalic acid metal salt; 2 parts by weight of isothiazolin derivatives; 3 parts by weight of paraffin; 3 parts by weight of calcium aluminate; 2 parts by weight of sodium fluoride; 5 parts by weight of potassium methylsiliconate; 10 parts by weight of dimethyl ammonium chloride; 10 parts by weight of isobornyl acrylate; 7 parts by weight of plaster; 10 parts by weight of calcined pozzolan; And 20 parts by weight of a styrene-butadiene resin.
상기 콘크리트 구조물 표면의 이물질을 제거하기 위한 고압 세척단계;
상기 콘크리트 구조물의 표면상에 퍼티재를 도포하는 바탕 처리단계;
상기 콘크리트 구조물의 표면상에, 아크릴 수지 100중량부 기준으로, 메톡시실란 15중량부, 수분산 폴리우레탄 분산제 15중량부, 하이드록시 에틸 셀룰로오스 10중량부, 메틸메타아크릴레이트 15중량부, 실리콘카바이드 6중량부, 술폰 에스테르 5중량부, 알키드 수지 6중량부, 2-디에틸아미노에틸아민 20중량부, 알루미노 실리케이트 3중량부, 크롬산 스트론튬 4중량부, 스타치에테르 2중량부, 메틸에틸케톤 80중량부, 탄산칼슘 20중량부, 테레프탈산 금속염 13중량부, 이소티아조린 유도체 2중량부, 파라핀 3중량부, 알루민산 칼슘 3중량부, 플루오린화나트륨 2중량부, 칼륨메틸실리코네이트 5중량부, 디메틸 암모늄 클로라이드 10중량부, 이소보닐아크릴레이트 10중량부, 플라스터 7중량부, 하소포졸라나 10중량부, 및 스티렌-부타디엔 수지 20중량부를 포함하는 친환경 보호 코팅제 조성물을 1차적으로 도포하여 하도층을 형성한 후 1차 양생하는 단계;
상기 하도층의 표면상에 상기 하도층과 동일 성분의 친환경 보호 코팅제 조성물을 2차적으로 도포하여 중도층을 형성한 후 2차 양생하는 단계; 및
상기 중도층의 표면상에 상기 중도층과 동일 성분의 친환경 보호 코팅제 조성물을 3차적으로 도포하여 상도층을 형성한 후 3차 양생하는 단계를 포함하는 친환경 보호 코팅제 조성물의 시공방법.
Removing the concavities and convexities of the surface of the concrete structure;
A high-pressure washing step for removing foreign matters on the surface of the concrete structure;
A pretreatment step of applying a putty material on the surface of the concrete structure;
On the surface of the concrete structure, 15 parts by weight of methoxysilane, 15 parts by weight of an aqueous dispersion polyurethane dispersant, 10 parts by weight of hydroxyethyl cellulose, 15 parts by weight of methyl methacrylate, 6 weight parts of sulfone ester, 6 weight parts of alkyd resin, 20 weight parts of 2-diethylaminoethylamine, 3 weight parts of aluminosilicate, 4 weight parts of strontium chromate, 2 weight parts of starch ether, 20 parts by weight of calcium carbonate, 13 parts by weight of terephthalic acid metal salt, 2 parts by weight of isothiazolin derivative, 3 parts by weight of paraffin, 3 parts by weight of calcium aluminate, 2 parts by weight of sodium fluoride, 5 parts by weight of potassium methylsiliconate , 10 parts by weight of dimethyl ammonium chloride, 10 parts by weight of isobornyl acrylate, 7 parts by weight of plaster, 10 parts by weight of calcined pozzolan, and 20 parts by weight of styrene-butadiene resin A step of firstly applying an environmental protective coating composition to form a primer layer and then curing the primer;
Applying an environmentally friendly protective coating composition having the same composition as the primer layer on the surface of the primer layer to form a primer layer and then curing the primer layer; And
Applying the environmentally protective coating composition having the same composition as the middle layer to the surface of the intermediate layer to form an upper layer and then curing the organic coating composition.
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